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. 2025 Apr 2;14:153. doi: 10.1038/s41377-025-01829-7

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© The Author(s) 2025

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Fig. 1 — a Schematic diagram of U-shaped electrode multilayer graphene device for direct OAM light detection. b Analysis of the radial current in a U-shaped electrode device. c Analysis of the azimuthal currents in the starfish electrode device